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Describes the requirement level for an attribute.

命名空間: Microsoft.Xrm.Sdk.Metadata
組件: Microsoft.Xrm.Sdk (在 Microsoft.Xrm.Sdk.dll 中)

語法

'宣告
<DataContractAttribute(Name:="AttributeRequiredLevel", Namespace:="https://schemas.microsoft.com/xrm/2011/Metadata")> _
Public Enumeration AttributeRequiredLevel

[DataContractAttribute(Name="AttributeRequiredLevel", Namespace="https://schemas.microsoft.com/xrm/2011/Metadata")] 
public enum AttributeRequiredLevel

成員

成員名稱 描述
ApplicationRequired The attribute is required to have a value. Value = 2.
None No requirements are specified. Value = 0.
Recommended It is recommended that the attribute has a value. Value = 3.
SystemRequired The attribute is required to have a value. Value = 1.

平台

Development Platforms

The .NET Framework does not support all versions of every platform. For a list of the supported versions, see System Requirements.

Target Platforms

Windows Server 2008、Windows Server 2012、Windows 7

請參閱

參照

Microsoft.Xrm.Sdk.Metadata 命名空間

其他資源

Customize Entity Attribute Metadata

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